/Engine/Source/Runtime/Engine/Public/BoneContainer.h
FVirtualBoneCompactPoseData ( [FCompactPoseBoneIndex](API\Runtime\AnimationCore\FCompactPoseBoneIndex) InVBIndex, [FCompactPoseBoneIndex](API\Runtime\AnimationCore\FCompactPoseBoneIndex) InSourceIndex, [FCompactPoseBoneIndex](API\Runtime\AnimationCore\FCompactPoseBoneIndex) InTargetIndex )